Year % of total working-age population with advanced education 2003 87.877 2004 81.593 2006 86.082 2010 87.561 2011 85.821 2012 87.251 2013 85.845 2014 79.639 2015 85.211 2016 82.561 2017 82.1 2018 81.981 2019 81.434 2021 84.594 2022 81.226